Safe, clean, oil-free. Comfortable spray head. Can also be used under electrical voltage. Tested safety: No risk of ignition or explosion, even in the presence of ignition sources. COMPRESSED AIR 67 SUPER - the compressed gas spray for blowing out dust and dirt for maximum safety, even with live devices. Can also be used in particular for work in explosion-protection areas. Ideal for removing dust and dirt in precision mechanics, electronics and electrical engineering on systems, devices and machines.